CVE-2026-71964 CyberPanel 2.4.3 Arbitrary File Read via File Manager ZIP Upload
Authenticated attackers can read sensitive system files by uploading crafted ZIP archives with symbolic links in CyberPanel's file manager.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71964?
CVE-2026-71964 is a high-severity path traversal vulnerability in usmannasir cyberpanel, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
CyberPanel 2.4.3, fixed in commit eca0c3c, contains an arbitrary file read vulnerability in the file manager component that allows authenticated attackers to read sensitive system files by uploading a crafted ZIP archive containing symbolic links. Attackers can exploit the application's failure to validate symlinks before extraction, causing symbolic links targeting arbitrary filesystem paths outside the user's home directory to persist on disk and be accessed through the web interface.
Weakness: CWE-59
Which versions are affected by CVE-2026-71964?
How do I fix CVE-2026-71964?
No fix has been published for CVE-2026-71964 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-71964 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-71964 exists.
Sources
Also known as GHSA-vq2q-3r2q-4h83.